usbh_ehci_hw_reg_rd

#include <RTL.h>
#include <rl_usb.h>

U32 usbh_ehci_hw_reg_rd (
  U8  ctrl,
  U32 reg_ofs
);

The usbh_ehci_hw_reg_rd function is used for reading a value from the EHCI USB Host register. The argument ctrl is the index of USB Host Controller.

The usbh_ehci_hw_reg_rd function is part of the RL-USB Host software stack.

You can modify this function to suit different EHCI controller register interface. This function will need to be changed if EHCI controller is used on a chip that does not yet have a low level driver provided.

The usbh_ohci_hw_reg_rd function returns 32-bit value read from OHCI register.

usbh_ehci_hw_delay_ms, usbh_ehci_hw_get_capabilities, usbh_ehci_hw_init, usbh_ehci_hw_irq_en, usbh_ehci_hw_pins_config, usbh_ehci_hw_port_power, usbh_ehci_hw_reg_wr

U32 usbh_ehci_hw_reg_rd (U8 ctrl, U32 reg_ofs) {
  return (*((U32 *)(USBHx_EHCI_ADR[ctrl & 1] + reg_ofs)));
}